KESA aims at bringing together researchers from various disciplines and industry interested in theories, methods and applications of knowledge extraction and management, data mining and semantic annotation, as well as in recent advances on data and knowledge bases. The purpose of the workshop is to exchange new ideas and application experiences related to the development of knowledge and information management systems. The chairs of Knowledge Extraction and Semantic Annotation are seeking original papers on research and development topics in the field of the topics listed below. Prospective authors are cordially invited to submit original technical papers up to 6 pages of length. Accepted papers will be published in the conference proceedings.